Process for preparing racemic alpha-amino acids

Process for the preparation of racemic alpha-amino acids or of glycine, wherein the corresponding alpha-hydroxycarboxylic acid, selected from hydroxyacetic acid, lactic acid, malic acid, alpha-hydroxyglutamic acid, isocitric acid, tartronic acid and tartaric acid, or at least one salt of the corresp...

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Main Authors STAFFEL WOLFGANG, GRUENANGER CHRISTIAN, BIEL MARKUS CHRISTIAN, BOU CHEDID ROLAND, MELDER JOHANN-PETER, OFTRING ALFRED
Format Patent
LanguageChinese
English
Published 20.08.2014
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:Process for the preparation of racemic alpha-amino acids or of glycine, wherein the corresponding alpha-hydroxycarboxylic acid, selected from hydroxyacetic acid, lactic acid, malic acid, alpha-hydroxyglutamic acid, isocitric acid, tartronic acid and tartaric acid, or at least one salt of the corresponding alpha-hydroxycarboxylic acid is reacted in the presence of at least one heterogeneous catalyst which comprises at least one transition metal, in the presence of hydrogen with at least one nitrogen compound (c), where the nitrogen compound (c) is selected from primary and secondary amines and ammonia.
Bibliography:Application Number: CN201280062854